a green giant. ♪ ho ho ho ♪ green giant . >>> d.c. police investigating a deadly hit-and-run. on friday, a teen was struck by a car at the intersection of new york avenue northwest and first street. the driver of the car stopped and then a tan suv with a d.c. license plate ran over the young woman and kept on driving. police say the teen died this afternoon at the hospital. >>> to fairfax now where police have made an arrest after finding a teen dead inside a car on friday night. the 22-year-old johnny bonilla is facing murder charges for stabbing 19-year-old xavier stringfellow to death. his body was found in a car off of chain bridge road and that is near glen gil drive in the vienna area. they did not know each other before they met up. >> what happened or why and you have to look at all of the possibilities. >> there was a struggle when the victim got killed and they believe the suspect may have tried to cover up the teen's death by making it look like he got into a car accident. >>> a followup on a story we broke last night at 10